Home / 18,956,148.64-28,411,378-8,706,865.12

Finding the Fourth Proportional to 18,956,148.64, 28,411,378 and 8,706,865.12

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Solution

The fourth proportional to 18,956,148.64, 28,411,378 and 8,706,865.12 is: 13,049,804.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,956,148.64 : 28,411,378 = 8,706,865.12 : x
  2. Step 2: Convert to fraction form
    18,956,148.64/28,411,378 = 8,706,865.12/x
  3. Step 3: Cross multiply
    18,956,148.64x = 28,411,378 × 8,706,865.12
  4. Step 4: Simplify right side
    18,956,148.64x = 247,374,036,119,335.34
  5. Step 5: Solve for x
    x = 247,374,036,119,335.34/18,956,148.64
  6. Step 6: Final answer
    x = 13,049,804.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.